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feat: Tool Consolidation - Reduce MCP Tools by 38% (v2.26.0) (#439)
* feat: Remove 9 low-value tools and consolidate n8n_health_check (v2.25.0) Telemetry-driven tool cleanup to improve API clarity: **Removed Tools (9):** - list_nodes - Use search_nodes instead - list_ai_tools - Use search_nodes with isAITool filter - list_tasks - Low usage (0.02%) - get_database_statistics - Use n8n_health_check - list_templates - Use search_templates or get_templates_for_task - get_node_as_tool_info - Documented in get_node - validate_workflow_connections - Use validate_workflow - validate_workflow_expressions - Use validate_workflow - n8n_list_available_tools - Use n8n_health_check - n8n_diagnostic - Merged into n8n_health_check **Consolidated Tool:** - n8n_health_check now supports mode='diagnostic' for detailed troubleshooting **Tool Count:** - Before: 38 tools - After: 31 tools (18% reduction) Concieved by Romuald Członkowski - www.aiadvisors.pl/en 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com> * fix: cleanup stale references and update tests after tool removal - Remove handleListAvailableTools dead code from handlers-n8n-manager.ts - Update error messages to reference n8n_health_check(mode="diagnostic") instead of n8n_diagnostic - Update tool counts in diagnostic messages (14 doc tools, 31 total) - Fix error-handling.test.ts to use valid tools (search_nodes, tools_documentation) - Remove obsolete list-tools.test.ts integration tests - Remove unused ListToolsResponse type from response-types.ts - Update tools.ts QUICK REFERENCE to remove list_nodes references - Update tools-documentation.ts to remove references to removed tools - Update tool-docs files to remove stale relatedTools references - Fix tools.test.ts to not test removed tools (list_nodes, list_ai_tools, etc.) - Fix parameter-validation.test.ts to not test removed tools - Update handlers-n8n-manager.test.ts error message expectations All 399 MCP unit tests now pass. Conceived by Romuald Członkowski - www.aiadvisors.pl/en 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * fix: update integration tests to use valid tools after v2.25.0 removal Replaced all references to removed tools in integration tests: - list_nodes -> search_nodes - get_database_statistics -> tools_documentation - list_ai_tools -> search_nodes/tools_documentation - list_tasks -> tools_documentation - get_node_as_tool_info -> removed test section Updated test files: - tests/integration/mcp-protocol/basic-connection.test.ts - tests/integration/mcp-protocol/performance.test.ts - tests/integration/mcp-protocol/session-management.test.ts - tests/integration/mcp-protocol/test-helpers.ts - tests/integration/mcp-protocol/tool-invocation.test.ts - tests/integration/telemetry/mcp-telemetry.test.ts - tests/unit/mcp/disabled-tools.test.ts - tests/unit/mcp/tools-documentation.test.ts Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * feat: Tool consolidation v2.26.0 - reduce tools by 38% (31 → 19) Major consolidation of MCP tools using mode-based parameters for better AI agent ergonomics: Node Tools: - get_node_documentation → get_node with mode='documentation' - search_node_properties → get_node with mode='search_properties' - get_property_dependencies → removed Validation Tools: - validate_node_operation + validate_node_minimal → validate_node with mode param Template Tools: - list_node_templates → search_templates with searchMode='nodes' - search_templates_by_metadata → search_templates with searchMode='metadata' - get_templates_for_task → search_templates with searchMode='task' Workflow Getters: - n8n_get_workflow_details/structure/minimal → n8n_get_workflow with mode param Execution Tools: - n8n_list/get/delete_execution → n8n_executions with action param Test updates for all consolidated tools. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en * docs: comprehensive README update for v2.26.0 tool consolidation - Quick Start: Added hosted service (dashboard.n8n-mcp.com) as primary option - Self-hosting: Renamed options to A (npx), B (Docker), C (Local), D (Railway) - Removed: "Memory Leak Fix (v2.20.2)" section (outdated) - Removed: "Known Issues" section (outdated container management) - Claude Project Setup: Updated all tool references to v2.26.0 consolidated tools - validate_node({mode: 'minimal'|'full'}) instead of separate tools - search_templates({searchMode: ...}) unified template search - get_node({mode: 'docs'|'search_properties'}) for documentation - n8n_executions({action: ...}) unified execution management - Available MCP Tools: Updated to show 19 consolidated tools (7 core + 12 mgmt) - Recent Updates: Simplified to just link to CHANGELOG.md 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en * fix: update tool count from 31 to 19 in diagnostic message 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * fix(tests): update tool count expectations for v2.26.0 Update handlers-n8n-manager.test.ts to expect new consolidated tool counts (7/12/19) after v2.26.0 tool consolidation. Conceived by Romuald Członkowski - www.aiadvisors.pl/en 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> --------- Co-authored-by: Claude <noreply@anthropic.com>
This commit is contained in:
Romuald Członkowski
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GitHub
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/**
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* Integration Tests: handleListAvailableTools
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*
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* Tests tool listing functionality.
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* Covers tool discovery and configuration status.
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*/
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import { describe, it, expect, beforeEach } from 'vitest';
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import { createMcpContext } from '../utils/mcp-context';
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import { InstanceContext } from '../../../../src/types/instance-context';
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import { handleListAvailableTools } from '../../../../src/mcp/handlers-n8n-manager';
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import { ListToolsResponse } from '../utils/response-types';
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describe('Integration: handleListAvailableTools', () => {
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let mcpContext: InstanceContext;
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beforeEach(() => {
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mcpContext = createMcpContext();
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});
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// ======================================================================
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// List All Tools
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// ======================================================================
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describe('Tool Listing', () => {
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it('should list all available tools organized by category', async () => {
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const response = await handleListAvailableTools(mcpContext);
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expect(response.success).toBe(true);
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expect(response.data).toBeDefined();
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const data = response.data as ListToolsResponse;
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// Verify tools array exists
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expect(data).toHaveProperty('tools');
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expect(Array.isArray(data.tools)).toBe(true);
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expect(data.tools.length).toBeGreaterThan(0);
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// Verify tool categories
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const categories = data.tools.map((cat: any) => cat.category);
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expect(categories).toContain('Workflow Management');
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expect(categories).toContain('Execution Management');
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expect(categories).toContain('System');
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// Verify each category has tools
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data.tools.forEach(category => {
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expect(category).toHaveProperty('category');
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expect(category).toHaveProperty('tools');
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expect(Array.isArray(category.tools)).toBe(true);
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expect(category.tools.length).toBeGreaterThan(0);
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// Verify each tool has required fields
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category.tools.forEach(tool => {
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expect(tool).toHaveProperty('name');
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expect(tool).toHaveProperty('description');
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expect(typeof tool.name).toBe('string');
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expect(typeof tool.description).toBe('string');
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});
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});
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});
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it('should include API configuration status', async () => {
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const response = await handleListAvailableTools(mcpContext);
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expect(response.success).toBe(true);
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const data = response.data as ListToolsResponse;
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// Verify configuration status
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expect(data).toHaveProperty('apiConfigured');
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expect(typeof data.apiConfigured).toBe('boolean');
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// Since tests run with API configured, should be true
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expect(data.apiConfigured).toBe(true);
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// Verify configuration details are present when configured
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if (data.apiConfigured) {
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expect(data).toHaveProperty('configuration');
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expect(data.configuration).toBeDefined();
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expect(data.configuration).toHaveProperty('apiUrl');
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expect(data.configuration).toHaveProperty('timeout');
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expect(data.configuration).toHaveProperty('maxRetries');
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}
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});
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it('should include API limitations information', async () => {
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const response = await handleListAvailableTools(mcpContext);
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expect(response.success).toBe(true);
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const data = response.data as ListToolsResponse;
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// Verify limitations are documented
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expect(data).toHaveProperty('limitations');
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expect(Array.isArray(data.limitations)).toBe(true);
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expect(data.limitations.length).toBeGreaterThan(0);
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// Verify limitations are informative strings
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data.limitations.forEach(limitation => {
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expect(typeof limitation).toBe('string');
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expect(limitation.length).toBeGreaterThan(0);
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});
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// Common known limitations
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const limitationsText = data.limitations.join(' ');
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expect(limitationsText).toContain('Cannot execute workflows directly');
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});
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});
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// ======================================================================
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// Workflow Management Tools
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// ======================================================================
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describe('Workflow Management Tools', () => {
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it('should include all workflow management tools', async () => {
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const response = await handleListAvailableTools(mcpContext);
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const data = response.data as ListToolsResponse;
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const workflowCategory = data.tools.find(cat => cat.category === 'Workflow Management');
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expect(workflowCategory).toBeDefined();
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const toolNames = workflowCategory!.tools.map(t => t.name);
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// Core workflow tools
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expect(toolNames).toContain('n8n_create_workflow');
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expect(toolNames).toContain('n8n_get_workflow');
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expect(toolNames).toContain('n8n_update_workflow');
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expect(toolNames).toContain('n8n_delete_workflow');
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expect(toolNames).toContain('n8n_list_workflows');
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// Enhanced workflow tools
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expect(toolNames).toContain('n8n_get_workflow_details');
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expect(toolNames).toContain('n8n_get_workflow_structure');
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expect(toolNames).toContain('n8n_get_workflow_minimal');
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expect(toolNames).toContain('n8n_validate_workflow');
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expect(toolNames).toContain('n8n_autofix_workflow');
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});
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});
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// ======================================================================
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// Execution Management Tools
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// ======================================================================
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describe('Execution Management Tools', () => {
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it('should include all execution management tools', async () => {
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const response = await handleListAvailableTools(mcpContext);
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const data = response.data as ListToolsResponse;
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const executionCategory = data.tools.find(cat => cat.category === 'Execution Management');
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expect(executionCategory).toBeDefined();
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const toolNames = executionCategory!.tools.map(t => t.name);
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expect(toolNames).toContain('n8n_trigger_webhook_workflow');
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expect(toolNames).toContain('n8n_get_execution');
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expect(toolNames).toContain('n8n_list_executions');
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expect(toolNames).toContain('n8n_delete_execution');
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});
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});
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// ======================================================================
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// System Tools
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// ======================================================================
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describe('System Tools', () => {
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it('should include system tools', async () => {
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const response = await handleListAvailableTools(mcpContext);
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const data = response.data as ListToolsResponse;
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const systemCategory = data.tools.find(cat => cat.category === 'System');
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expect(systemCategory).toBeDefined();
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const toolNames = systemCategory!.tools.map(t => t.name);
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expect(toolNames).toContain('n8n_health_check');
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expect(toolNames).toContain('n8n_list_available_tools');
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});
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});
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// ======================================================================
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// Response Format Verification
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// ======================================================================
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describe('Response Format', () => {
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it('should return complete tool list response structure', async () => {
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const response = await handleListAvailableTools(mcpContext);
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expect(response.success).toBe(true);
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expect(response.data).toBeDefined();
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const data = response.data as ListToolsResponse;
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// Verify all required fields
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expect(data).toHaveProperty('tools');
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expect(data).toHaveProperty('apiConfigured');
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expect(data).toHaveProperty('limitations');
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// Verify optional configuration field
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if (data.apiConfigured) {
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expect(data).toHaveProperty('configuration');
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}
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// Verify data types
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expect(Array.isArray(data.tools)).toBe(true);
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expect(typeof data.apiConfigured).toBe('boolean');
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expect(Array.isArray(data.limitations)).toBe(true);
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});
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});
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});
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